Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp9595224ybi; Wed, 24 Jul 2019 06:49:07 -0700 (PDT) X-Google-Smtp-Source: APXvYqyzv7rChJQlSf3kMcSph8zXOhH5zdfU+KWanf7eOggqaeWp4LXYv8wRsCXR/57enVWAZkkL X-Received: by 2002:aa7:8d88:: with SMTP id i8mr11648983pfr.28.1563976147069; Wed, 24 Jul 2019 06:49:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563976147; cv=none; d=google.com; s=arc-20160816; b=sMga/n/0tG3TFRQvMNf61W6Ktg+O3l4F0C8b8VdKo5BcX14rpF+USRkLmsUubrAbTE wk54i0CX4pxrr4u+bAiajafcXcbiiN2vUiYOvrq94kltWJf1mo8xFXi+Bi5v659xN5Sd rzWNrx1Dj2qgNhNT7drMVaF2cK0ua844eiZxZgLwNQeE9fxL+eRxe+cfmOw5rDdddlaw qyKJRMhbIP2marF4ggHL9xaSxLMG7pEp26o+3StcN/xtdLx3orxsTVzCST2ySrE9icVq mQ8k/wN1IegYU0MYEJqlIOPwAqRzFTcJObwYZz5LV3o5Q2EgzG6HklXSv/gho6pOEN6s chTA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=ux96he8a4f34z4TFhbRiVMX3lvFG8q705mZFLLFqHnk=; b=JUi3A1HAdtI9KE09McAn36B5+zEKni4Kpwb3GLyWqHXU31fuCf7iZojX4ZUpKhV+6g NnXVhcis7AVT6Xyv0f9Yo6f1yxa8hRTHkTqqUgXrumN/1FSTZqPBr3DfYtg+xLHcpgNl xbb1jksGRNJ9MCUiZmBod/AFM+2JUCmOeggUMGMybWCDLQHDZN8ZcKJRoBLCSzxBxRuL 0Jfdj+B4P89ckSogFgiF0oeWN0SG15JwO5v6dvL9XNV8Eb2sS3B2HAd4G2NOvGBwP1pD rav+kBvuhkE3Qq9tyMIAuA38qcRmHKaNvEOAtuAgg53BYGvQFU7zxaeYsC1bp75JT/JL qGWQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g7si13020562plb.29.2019.07.24.06.48.51; Wed, 24 Jul 2019 06:49:07 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728433AbfGXNHi (ORCPT + 99 others); Wed, 24 Jul 2019 09:07:38 -0400 Received: from app2.whu.edu.cn ([202.114.64.89]:54154 "EHLO whu.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726681AbfGXNHi (ORCPT ); Wed, 24 Jul 2019 09:07:38 -0400 Received: from localhost (unknown [111.202.192.5]) by email2 (Coremail) with SMTP id AgBjCgB3RvQSWDhdeBK6AA--.10748S2; Wed, 24 Jul 2019 21:07:30 +0800 (CST) From: Peng Wang To: tj@kernel.org, lizefan@huawei.com, hannes@cmpxchg.org Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Peng Wang Subject: [PATCH] cgroup: remove early strstrip in cgroup_threads_write Date: Wed, 24 Jul 2019 21:05:26 +0800 Message-Id: <20190724130526.20671-1-rocking@whu.edu.cn> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: AgBjCgB3RvQSWDhdeBK6AA--.10748S2 X-Coremail-Antispam: 1UD129KBjvdXoWrGr1UKF47ZrWfGw13tryrZwb_yoWxWFb_Z3 y2qryqgryxAw1Dt34qqws5JFWkKw45XF1v9wnFyFW7JF1DtFs8AF1fXr15ArZxuan3tryD u3sxWF97tr4DWjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb2AFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s 1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0 cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8Jw ACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc2xSY4AK67AK6ry8MxAI w28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr 4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxG rwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8Jw CI42IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY 6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JU2D73UUUUU= X-CM-SenderInfo: qsqrijaqrviiqqxyq4lkxovvfxof0/ Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org cgroup_procs_write_start() will process leading and trailing whitespace when necessary. Signed-off-by: Peng Wang --- kernel/cgroup/cgroup.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 753afbca549f..49f2b133cf67 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -4796,8 +4796,6 @@ static ssize_t cgroup_threads_write(struct kernfs_open_file *of, struct task_struct *task; ssize_t ret; - buf = strstrip(buf); - dst_cgrp = cgroup_kn_lock_live(of->kn, false); if (!dst_cgrp) return -ENODEV; -- 2.19.1